boot/x86/stage3/gdt.s

   1 ; Initial GDT for kernel, which wants a flat code and data descriptor
   2 gdt:
   3         dw .end-.start-1
   4         dd .start
   5 .start: dq 0 ; null descriptor
   6 .code:
   7         dw 0xffff
   8         dw 0
   9         db 0
  10         db 10011010b
  11         db 11001111b
  12         db 0
  13 .data:
  14         dw 0xffff
  15         dw 0
  16         db 0
  17         db 10010010b
  18         db 11001111b
  19         db 0
  20 .end:
  21